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Nano-structured composite of Si/(S-doped-carbon nanowire network) as anode material for lithium-ion batteries
Shao, Dan1,2; Tang, Daoping1; Yang, Jianwen3; Li, Yanwei3; Zhang, Lingzhi1
2015-11-30
发表期刊JOURNAL OF POWER SOURCES
卷号297页码:344-350
摘要Novel nanostructured silicon composites, Si/Poly(3,4-ethylenedioxythiophene) nanowire network (Si/PNW) and Si/(S-doped-carbon nanowire network) (Si/S-CNW), are prepared by a soft-template polymerization of 3,4-ethylenedioxythiophene (EDOT) using sodium dodecyl sulfate (SDS) as surfactant with the presence of Si nanoparticles and a subsequent carbonization of Si/PNW, respectively. The presence of Si nanoparticles in the soft-template polymerization of EDOT plays a critical role in the formation of PEDOT nanowire network instead of 1D nanowire. After the carbonization of PEDOT, the S-doped-carbon nanowire network matrix shows higher electrical conductivity than PNW counterpart, which facilitates to construct robust conductive bridges between Si nanoparticles and provide large electrode/electrolyte interfaces for rapid charge transfer reactions. Thus, Si/S-CNW composite exhibits excellent cycling stability and rate capability as anode material, retaining a specific capacity of 820 mAh g(-1) after 400 cycles with a very small capacity fade of 0.09% per cycle. (C) 2015 Elsevier B.V. All rights reserved.
文章类型Article
关键词Sulfur-doped Carbon Nanowire Network Nano-si Composite Anode Lithium-ion Battery
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.jpowsour.2015.08.037
研究领域[WOS]Electrochemistry ; Energy & Fuels
关键词[WOS]SODIUM DODECYL-SULFATE ; SILICON NANOWIRES ; CARBON NANOTUBES ; DOPED CARBON ; SI ANODE ; PERFORMANCE ; STORAGE ; CAPACITY ; POLY(3,4-ETHYLENEDIOXYTHIOPHENE) ; NANOFIBERS
收录类别SCI
语种英语
WOS类目Electrochemistry ; Energy & Fuels
WOS记录号WOS:000361772600042
引用统计
被引频次:23[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10867
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Guilin Univ Technol, Coll Chem & Bioengn, Guilin 541004, Guangxi, Peoples R China
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Shao, Dan,Tang, Daoping,Yang, Jianwen,et al. Nano-structured composite of Si/(S-doped-carbon nanowire network) as anode material for lithium-ion batteries[J]. JOURNAL OF POWER SOURCES,2015,297:344-350.
APA Shao, Dan,Tang, Daoping,Yang, Jianwen,Li, Yanwei,&Zhang, Lingzhi.(2015).Nano-structured composite of Si/(S-doped-carbon nanowire network) as anode material for lithium-ion batteries.JOURNAL OF POWER SOURCES,297,344-350.
MLA Shao, Dan,et al."Nano-structured composite of Si/(S-doped-carbon nanowire network) as anode material for lithium-ion batteries".JOURNAL OF POWER SOURCES 297(2015):344-350.
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